WRD2L Reset & Teardown (FCC ID 2ANDL-WRD2L)

Before you buy the Tuya Global WRD2L, check what's inside.

The WRD2L is a low-power embedded Wi-Fi module developed by Tuya, featuring an RDA5981BM chip and an Arm Cortex-M4 MCU. It is designed for various smart home applications and offers 2.4 GHz WiFi connectivity.

⚠️ NOTE: Ensure correct battery polarity and voltage range (3.0-3.6V).

Quick Specs

Manufacturer: Tuya Global
Model: WRD2L
Protocol: WiFi
Chipset: Realtek/Beken
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RDA5981BM
Flashable: ❌ No
Info: Proprietary Tuya module, likely difficult to flash with custom firmware like Tasmota or ESPHome without significant hardware modification or specific exploits.

User Manual

Scanned pages from the official user manual:

WRD2L Manual

External Photos

Photos of the device exterior:

WRD2L Exterior

Internal Photos

Teardown photos showing the PCB and components:

WRD2L PCB

Verdict

The WRD2L is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

WRD2L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 1 V1.0.0
1. Product Overview
WRD2L is a low-power embedded Wi-Fi module that Tuya has developed. It consists of a
highly integrated RF chip (RDA5981BM) and several peripheral components, with an
embedded Wi-Fi network protocol stack and robust library functions. WRD2L is
embedded with a low-power Arm Cortex-M4 MCU, 2 MB flash memory, and 384 KB static
random-access memory (SRAM), and has extensive peripherals.
WRD2L is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and
TCP/IP protocols. You can develop embedded Wi-Fi products as required.
1.1 Features
 Embedded low-power 32-bit CPU, which can also function as an application
processor
 Dominant frequency: 160 MHz
 Working voltage: 3.0 V to 3.6 V
 Peripherals: five GPIOs and one universal asynchronous receiver/transmitter (UART)
 Wi-Fi connectivity
 802.11b/g/n
 2.4 GHz WiFi
 WPA and WPA2 security modes
 Up to +20±3dBm output power
 STA, AP ,and STA+AP working modes
 Smart and AP network configuration modes for Android and iOS devices
 Onboard PCB antenna with a gain of 2.0 dBi
Tuya WRD2L Wi-Fi Module
No.: 0000000004Date: 2019-07-26
Product
Manual
Version: 1.0.0
Global Intelligent Platform
WRD2L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 2 V1.0.0
 Working temperature: –40°C to +105°C
1.2 Applications
 Intelligent building
 Smart household and home appliances
 Smart socket and light
 Industrial wireless control
 Baby monitor
 Network camera
 Intelligent bus
WRD2L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 3 V1.0.0
Change History
No. Date Change Description Version After Change
1 2019-09-20 This is the first release. 1.0.0
WRD2L Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 4 V1.0.0
Contents
1. Product Overview........................................................................................................................ 1
1.1 Features.............................................................................................................................. 1
1.2 Applications........................................................................................................................ 2
2 Module Interfaces......................................................................................................................... 6
2.1 Dimensions and Footprint................................................................................................ 6
2.2 Interface Pin Definition..................................................................................................... 6
2.3 Test Pin Definition..............................................................................................................7
3. Electrical Parameters.................................................................................................................. 8
3.1 Absolute Electrical Parameters...........................................................................